Using the derived endpoints for both phosphoric acid titrations, calculate theconcentration of the phosphoric acid solution and report the mean value.Vol Mid Point1st Derivative3.960.0898212685.910.2291388787.1050.2571523588.3450.5628053689.0251.9583940099.1754.4060744759.21510.526315799.275.0434262539.3554.1293946339.4157.7387143759.4652.2600968839.50513.043478269.6051.2580337889.80.85812357100.84564177310.250.63657166610.650.41501976311.20.3104847111.950.27737327512.9250.27043894313.8750.27386531914.550.39130434815.0250.42160737815.4250.56703022415.70.93457457915.90.89868941116.051.83170376516.1254.91158726916.1754.13771583116.253.06116080716.3257.93218223416.3756.40316205516.453.07052215516.551.98148533416.6751.75161223216.8750.856251317.0751.35219471617.3750.42784827717.850.43499063918.4750.24963594819.2750.20117720520.250.16453278421.350.12368326522.5250.105096734240.0892081425.70.06552943627.8750.043215282nd Vol Mid Point2nd Derivative4.9350.0714456.50750.0234427.7250.2464948.6852.0523369.116.317879.195153.0069.2425-99.68899.3125-10.75339.38560.155339.44-109.5729.485269.58459.555-117.8549.7025-2.050829.9-0.0624110.125-0.8362810.45-0.5538810.925-0.1900611.575-0.0441512.4375-0.0071113.40.00360714.21250.17398414.78750.06379615.2250.36355715.56251.33652515.8-0.1794315.9756.22009616.087541.0651116.15-15.477416.2125-14.354116.287564.9469516.35-30.580416.4125-44.435216.5-10.890416.6125-1.8389816.775-4.476816.9752.47971717.225-3.0811517.61250.01503718.1625-0.2965718.875-0.0605719.7625-0.0375820.8-0.0371421.9375-0.0158223.2625-0.0107724.85-0.0139326.7875-0.01026

To find the equivalence points and calculate the concentration of the phosphoric acid solution, we…

Answered: Using the derived endpoints for both…

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter16: Acids And Bases

Section16.3: Titrations And Buffers

Problem 1RQ

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Using the derived endpoints for both phosphoric acid titrations, calculate the
concentration of the phosphoric acid solution and report the mean value.

Vol Mid Point	1st Derivative
3.96	0.089821268
5.91	0.229138878
7.105	0.257152358
8.345	0.562805368
9.025	1.958394009
9.175	4.406074475
9.215	10.52631579
9.27	5.043426253
9.355	4.129394633
9.415	7.738714375
9.465	2.260096883
9.505	13.04347826
9.605	1.258033788
9.8	0.85812357
10	0.845641773
10.25	0.636571666
10.65	0.415019763
11.2	0.31048471
11.95	0.277373275
12.925	0.270438943
13.875	0.273865319
14.55	0.391304348
15.025	0.421607378
15.425	0.567030224
15.7	0.934574579
15.9	0.898689411
16.05	1.831703765
16.125	4.911587269
16.175	4.137715831
16.25	3.061160807
16.325	7.932182234
16.375	6.403162055
16.45	3.070522155
16.55	1.981485334
16.675	1.751612232
16.875	0.8562513
17.075	1.352194716
17.375	0.427848277
17.85	0.434990639
18.475	0.249635948
19.275	0.201177205
20.25	0.164532784
21.35	0.123683265
22.525	0.105096734
24	0.08920814
25.7	0.065529436
27.875	0.04321528

2nd Vol Mid Point	2nd Derivative
4.935	0.071445
6.5075	0.023442
7.725	0.246494
8.685	2.052336
9.1	16.31787
9.195	153.006
9.2425	-99.6889
9.3125	-10.7533
9.385	60.15533
9.44	-109.572
9.485	269.5845
9.555	-117.854
9.7025	-2.05082
9.9	-0.06241
10.125	-0.83628
10.45	-0.55388
10.925	-0.19006
11.575	-0.04415
12.4375	-0.00711
13.4	0.003607
14.2125	0.173984
14.7875	0.063796
15.225	0.363557
15.5625	1.336525
15.8	-0.17943
15.975	6.220096
16.0875	41.06511
16.15	-15.4774
16.2125	-14.3541
16.2875	64.94695
16.35	-30.5804
16.4125	-44.4352
16.5	-10.8904
16.6125	-1.83898
16.775	-4.4768
16.975	2.479717
17.225	-3.08115
17.6125	0.015037
18.1625	-0.29657
18.875	-0.06057
19.7625	-0.03758
20.8	-0.03714
21.9375	-0.01582
23.2625	-0.01077
24.85	-0.01393
26.7875	-0.01026

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